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Schach [20]
3 years ago
7

In a survey, 31 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped

with a mean of $33 and a standard deviation of $16. Construct a confidence interval at a 98% confidence level.
Give your answers to one decimal place​
Mathematics
1 answer:
Lesechka [4]3 years ago
6 0

Answer:

The margin of error is 5. 00 

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Step-by-step explanation:

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Must click thanks and mark brainliest

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mariarad [96]
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What is the answer to this question about dividing fractions5 5⁄6 ÷ 3 2⁄4=
Lady_Fox [76]

[~Answer~] (4.):
<em>Hello there! I'm Avery, and I'm here to help you! I mostly believe the answer </em><em>is 1 2/3


+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
</em>

[~Answer Explanation~]:

First:

Convert any mixed numbers to fractions.

Reduce fractions where possible.

Then your initial equation becomes:

356÷72

Applying the fractions formula for division,

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=70/42

Simplifying 70/42, the answer is

=1 2/3

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
[~Last Messages~]:

Okay, I really hope my answer is correct.

I am truly sorry if it's wrong :(

Have a great morning, afternoon, or night. <333

[-!AveryIsSomeHowAlive!-]

3 0
2 years ago
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